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c906108c SS |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | */ | |
20 | ||
21 | ||
22 | #ifndef HW_TREE | |
23 | #define HW_TREE | |
24 | ||
25 | ||
26 | struct hw *hw_tree_create | |
27 | (SIM_DESC sd, | |
28 | const char *device); | |
29 | ||
30 | void hw_tree_delete | |
31 | (struct hw *root); | |
32 | ||
33 | struct hw *hw_tree_parse | |
34 | (struct hw *root, | |
35 | const char *fmt, | |
36 | ...) __attribute__ ((format (printf, 2, 3))); | |
37 | ||
38 | struct hw *hw_tree_vparse | |
39 | (struct hw *root, | |
40 | const char *fmt, | |
41 | va_list ap); | |
42 | ||
43 | ||
44 | void hw_tree_finish | |
45 | (struct hw *root); | |
46 | ||
47 | typedef void (hw_tree_print_callback) | |
48 | (void *, | |
49 | const char *fmt, | |
50 | ...); | |
51 | ||
52 | void hw_tree_print | |
53 | (struct hw *root, | |
54 | hw_tree_print_callback *print, | |
55 | void *file); | |
56 | ||
57 | ||
58 | /* Tree traversal:: | |
59 | ||
60 | The entire device tree can be traversed using the | |
61 | <<device_tree_traverse()>> function. The traversal can be in | |
62 | either prefix or postfix order. | |
63 | ||
64 | */ | |
65 | ||
66 | typedef void (hw_tree_traverse_function) | |
67 | (struct hw *device, | |
68 | void *data); | |
69 | ||
70 | void hw_tree_traverse | |
71 | (struct hw *root, | |
72 | hw_tree_traverse_function *prefix, | |
73 | hw_tree_traverse_function *postfix, | |
74 | void *data); | |
75 | ||
76 | ||
77 | /* Tree lookup:: | |
78 | ||
79 | The function <<hw_tree_find_device()>> will attempt to locate the | |
80 | specified device within the tree. If the device is not found a | |
81 | NULL device is returned. | |
82 | ||
83 | */ | |
84 | ||
85 | struct hw * hw_tree_find_device | |
86 | (struct hw *root, | |
87 | const char *path); | |
88 | ||
89 | ||
90 | const struct hw_property *hw_tree_find_property | |
91 | (struct hw *root, | |
92 | const char *path_to_property); | |
93 | ||
94 | int hw_tree_find_boolean_property | |
95 | (struct hw *root, | |
96 | const char *path_to_property); | |
97 | ||
98 | signed_cell hw_tree_find_integer_property | |
99 | (struct hw *root, | |
100 | const char *path_to_property); | |
101 | ||
102 | #if NOT_YET | |
103 | device_instance *hw_tree_find_ihandle_property | |
104 | (struct hw *root, | |
105 | const char *path_to_property); | |
106 | #endif | |
107 | ||
108 | const char *hw_tree_find_string_property | |
109 | (struct hw *root, | |
110 | const char *path_to_property); | |
111 | ||
112 | ||
113 | /* Perform a soft reset on the created tree. */ | |
114 | ||
115 | void hw_tree_reset | |
116 | (struct hw *root); | |
117 | ||
118 | ||
119 | #endif |